#1.4 Layers of the Atmosphere

First Name

Last Name

Block #

• 1
• 2
• 3
• 4

Select each sentence that is true about the troposphere. (Select all that apply; No partial credit)

• It is the lowest layer of Earth's atmosphere
• It has less variable conditions than outer layers.
• It is where Earth's weather occurs.

Is the following sentence true or false? The troposphere contains almost all of the mass of the atmosphere.

• True
• False

Is the following sentence true or false? As altitude increases in the troposphere, temperature also increases.

• True
• False

Is the following sentence true or false? At the top of the troposphere, the temperature stops decreasing.

• True
• False

Is the following sentence true or false? In the stratosphere, the temperature decreases as the altitude increases.

• True
• False

How far does the stratosphere extend above the Earth's surface?

• Approximately 20 km
• Approximately 90 km
• Approximately 50 km
• Approximately 5 km

Select each sentence that is true about the stratosphere. (Select all that apply; No partial credit)

• The temperature of the lower stratosphere is about -60 degrees Celsius
• The upper stratosphere is colder than the lower stratosphere
• The upper portion of the stratosphere contains a layer of ozone
• The ozone in the stratosphere absorbs energy from the sun